133044239 has 2 divisors, whose sum is σ = 133044240. Its totient is φ = 133044238.

The previous prime is 133044217. The next prime is 133044271. The reversal of 133044239 is 932440331.

It is a weak prime.

It is an emirp because it is prime and its reverse (932440331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133044239 - 2²⁰ = 131995663 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133044209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66522119 + 66522120.

It is an arithmetic number, because the mean of its divisors is an integer number (66522120).

Almost surely, 2^133044239 is an apocalyptic number.

133044239 is a deficient number, since it is larger than the sum of its proper divisors (1).

133044239 is an equidigital number, since it uses as much as digits as its factorization.

133044239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 133044239 is about 11534.4804391008. The cubic root of 133044239 is about 510.5034615633.

The spelling of 133044239 in words is "one hundred thirty-three million, forty-four thousand, two hundred thirty-nine".